Microsoft has updated its Xbox Live content schedule, and the releases kick off today with the Mass Effect 3: Firefight Pack, a Gold-exclusive Kingdoms of Amalur: Reckoning DLC sale, a sale on Bejeweled 3, and The Orange Box: Half Life 2 releases for the Games on Demand Service.

The Firefight Pack will run you 160 MS Points, and the EA sale will provide you with 50% off on Kingdoms of Amalur: Reckoning DLC until August 13.

Tiger Woods PGA TOUR 13 -11 Course Pack is on sale through Kinect Central, and on August 14 a Square Enix and THQ sale will commence, providing you with 50% off on DLC for Just Cause 2 and Deus Human Revolution, as well as Saints Row: The Thirds, respectively.

Tomorrow, Hybrid from Microsoft Studios releases for 1200 MS Points and on August 9, Content Collection 3 will release for Modern Warfare 3 for 1200 MS Points.

Dust: An Elysian Tail and DLC for Quantum Cunumdrum called The Desmond Debacle will release August 15, and on August 19, Scott Pilgrim: Online Multiplayer+Wallace Pack can be yours for 400 MS Points.